Domains with DNS TXT v=spf1 +mx +a +ip4:104.225.208.28 +include:spf.protection.outlook.com include:spf.mandrillapp.com -all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:104.225.208.28 +include:spf.protection.outlook.com include:spf.mandrillapp.com -all.